Train operators propose 32 000 km high speed rail 'Metropolitan Network', News

EUROPE: Proposals for a huge expansion of the high rail speed network have been drawn up by Deutsche Bahn working in partnership with nine other major European operators.

Shanghai Metro - Wikipedia

High-speed rail in China - Wikipedia

High-speed rail - Wikipedia

Can we replace cross-country air with rail travel? Yes, we can! – Seattle Transit Blog

The Big Dreams of an NYC-to-Boston Bullet Train - Bloomberg

DB presents study on expansion of high-speed rail in Europe

World's fastest high-speed trains in commercial operation in 2021

Chinese high speed network tops 40 000 km as first privately funded line opens, News

Proposed high-speed rail by country - Wikipedia

High-speed rail - Wikipedia